under wraps

• Tenue secrète ou cachée du public, pas encore révélée ou rendue publique.

Kept secret or hidden from public knowledge, not yet revealed or disclosed.

1. Kept secret or hiddenB2informal

   To keep something confidential or not yet revealed to the public.

   tenu secret

   • The company kept the new product under wraps until the launch event.
   • The details of the contract are still under wraps.
   • They managed to keep the surprise party under wraps for weeks.